\documentclass[landscape]{article}
\setlength{\pdfpagewidth}{11in} \setlength{\pdfpageheight}{8.5in}
\begin{document}
\begin{tabular}{lcccccc}
\multicolumn{7}{c}{Effect} \\
\multicolumn{7}{c}{)} \\ \hline
 & (1) & (2) & (3) & (4) & (5) & (6) \\
VARIABLES & changepop1400\_std & changepop13001500\_std & changepop13001600\_std & changepop13001700\_std & changepop13001750\_std & changepop13002015min\_std \\ \hline
 &  &  &  &  &  &  \\
mortality & -0.083*** & -0.012 & -0.028* & -0.039** & -0.030** & -0.036** \\
 & [0.029] & [0.012] & [0.016] & [0.018] & [0.015] & [0.015] \\
m\_invcerealclosest & -0.002 & 0.002 & 0.003 & 0.002 & 0.002 & 0.001 \\
 & [0.006] & [0.002] & [0.003] & [0.003] & [0.003] & [0.003] \\
m\_pastoral\_weak\_closest & 0.013 & -0.002 & -0.019* & -0.007 & -0.008* & -0.006 \\
 & [0.014] & [0.007] & [0.010] & [0.006] & [0.005] & [0.006] \\
m\_potatolowclosest & 0.006 & -0.001 & 0.004 & 0.005** & 0.004** & 0.005** \\
 & [0.007] & [0.003] & [0.003] & [0.003] & [0.002] & [0.002] \\
m\_coast & 0.026** & 0.019*** & 0.022*** & 0.015* & 0.011* & 0.007 \\
 & [0.010] & [0.005] & [0.008] & [0.007] & [0.006] & [0.008] \\
m\_river & -0.011 & 0.002 & 0.008 & 0.010** & 0.009** & 0.011*** \\
 & [0.012] & [0.004] & [0.005] & [0.004] & [0.004] & [0.004] \\
m\_rd\_int & 0.013 & 0.010* & 0.006 & 0.004 & 0.004 & 0.003 \\
 & [0.013] & [0.005] & [0.007] & [0.006] & [0.005] & [0.006] \\
m\_HansaFixed & 0.062*** & 0.015* & 0.019* & 0.015* & 0.012 & 0.009 \\
 & [0.020] & [0.008] & [0.011] & [0.009] & [0.008] & [0.010] \\
m\_lpop1353 & -0.004 & 0.004 & 0.007 & 0.003 & 0.003 & 0.003 \\
 & [0.005] & [0.003] & [0.004] & [0.004] & [0.003] & [0.004] \\
m\_monarchy & -0.004 & 0.004 & 0.005 & 0.005 & 0.003 & -0.003 \\
 & [0.011] & [0.004] & [0.005] & [0.004] & [0.004] & [0.004] \\
m\_Bcapital & -0.014 & -0.010 & -0.001 & 0.009 & 0.007 & -0.002 \\
 & [0.018] & [0.009] & [0.011] & [0.009] & [0.008] & [0.008] \\
m\_representative1300 & 0.018 & -0.001 & -0.002 & -0.004 & -0.004 & -0.002 \\
 & [0.012] & [0.005] & [0.005] & [0.004] & [0.004] & [0.004] \\
 &  &  &  &  &  &  \\
Observations & 165 & 164 & 164 & 164 & 164 & 165 \\
R-squared & 0.453 & 0.292 & 0.392 & 0.349 & 0.348 & 0.289 \\
 year & 1400 & 1500 & 1600 & 1700 & 1750 & 2015min \\ \hline
\end{tabular}
\end{document}
